Olefin packaging laminate

Details Olefin packaging laminate Olefin packaging laminate

1979-10-15

1981-10-06

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428349, 428516, 428517, 428910, 428913, B32B 2708

Patent

active

042936080

ABSTRACT:
A heat sealable packaging material comprising (A) a stretched base layer formed of a propylene polymer and (B) a stretched surface layer formed of a blend of a propylene-ethylene copolymer and a C.sub.4 -C.sub.10 .alpha.-olefin-propylene copolymer in a weight proportion of 20:80 to 94:6 by weight on at least one surface of said base layer.

REFERENCES:
patent: 3754063 (1973-08-01), Schirmer
patent: 4117193 (1978-09-01), Tsuchiya et al.

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